Glide-Symmetry Multilayer Antenna Design for Millimeter-Wave High-Altitude Platforms

This paper presents a multilayer antenna design for millimeter-wave high-altitude platforms based on glide symmetry. The proposed antenna operates in the Ka-band (29–31 GHz), incorporating glide-symmetric holes along its contour to reduce field leakage. Simulations show stable impedance matching and good radiation efficiency across the operational band, suggesting that this early-stage design could suit high-altitude pseudo-satellite applications. The compact design makes it a promising candidate for integrating communication systems in demanding environments.